package com.neusoft.common.exception;

import com.neusoft.common.utils.R;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.dao.DuplicateKeyException;
import org.springframework.validation.ObjectError;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.NoHandlerFoundException;

import javax.validation.ValidationException;
import java.util.List;

/**
 * 异常处理器
 */
@RestControllerAdvice
public class RRExceptionHandler {
	private Logger logger = LoggerFactory.getLogger(getClass());

	/**
	 * 处理自定义异常
	 */
	@ExceptionHandler(RRException.class)
	public R handleRRException(RRException e){
		R r = new R();
		r.put("code", e.getCode());
		r.put("msg", e.getMessage());

		return r;
	}

	@ExceptionHandler(NoHandlerFoundException.class)
	public R handlerNoFoundException(Exception e) {
		logger.error(e.getMessage(), e);
		return R.error(404, "路径不存在，请检查路径是否正确");
	}

	@ExceptionHandler(DuplicateKeyException.class)
	public R handleDuplicateKeyException(DuplicateKeyException e){
		logger.error(e.getMessage(), e);
		return R.error("数据库中已存在该记录");
	}

	@ExceptionHandler(value = MethodArgumentNotValidException.class)
	@ResponseBody
	public R handleMethodArgException(MethodArgumentNotValidException validException) {
		List<ObjectError> allErrors = validException.getBindingResult().getAllErrors();
		String message = "";
		for (ObjectError error : allErrors) {
			message = error.getDefaultMessage();
		}
		return R.error(message);
	}

	@ExceptionHandler(value = ValidationException.class)
	@ResponseBody
	public R handleEasyArgException(ValidationException validException) {
		String message = validException.getMessage();
		return R.error(message);
	}

	@ExceptionHandler(Exception.class)
	public R handleException(Exception e){
		logger.error(e.getMessage(), e);
		return R.error();
	}
}
